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Zinc Pyrithione
Zinc Pyrithione is a high-purity antimicrobial and antifungal compound derived from the coordination of zinc with pyrithione (1-hydroxy-2-pyridinethione). It is widely used as an active ingredient in personal care formulations, industrial coatings, and materials preservation due to its broad-spectrum biocidal efficacy against bacteria, fungi, and algae. Its excellent thermal stability and compatibility with various systems make it ideal for diverse industrial and cosmetic applications.
Zinc Pyrithione
Primary Uses
- Personal Care & Cosmetics
- Anti-Dandruff Agent: Widely used in shampoos and scalp treatments to control dandruff and seborrheic dermatitis.
- Antifungal in Skin Products: Used in creams and lotions to treat fungal skin conditions like tinea and seborrheic dermatitis.
- Paints & Coatings Industry
- Dry Film Preservative: Protects painted surfaces from fungal and algal growth, especially in humid conditions.
- Marine Coatings: Used in anti-fouling marine paints to prevent biofilm formation on ship hulls and underwater structures.
- Plastics & Polymers
- Antimicrobial Additive: Integrated into plastic products, sealants, and silicone to prevent microbial colonization.
- Textiles
- Antibacterial Treatment: Used in technical and medical textiles for microbial control and odor resistance.
Secondary Uses
- Construction Materials
- Biocide in Sealants and Adhesives: Added to construction sealants to prevent mold and mildew.
- Industrial Water Systems
- Microbial Control Agent: Occasionally used in industrial water circuits to prevent microbial growth (under regulated conditions).
- Leather Treatment
- Preservative: Applied during leather processing to inhibit microbial degradation and mold formation.
- Agriculture (Restricted/Regulated)
- Fungicide (Specialty Applications): Under strict regulatory control, used in select applications to prevent fungal growth on surfaces or equipment.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Bis(1-hydroxy-2(1H)-pyridinethionato-O,S)zinc
- Common/Trade Name: Zinc Pyrithione
- CAS Number: 13463-41-7
- HS Code: 2930.90.99
- Synonyms: ZPT, Zinc Omadine, Zinci pyrithionis
2. Physical & Chemical Properties
- Physical State: Crystalline powder
- Color & Odor: White to pale yellow; faint odor
- Melting Point: ~240 °C (decomposes)
- Solubility: Poorly soluble in water; soluble in ethanol and surfactant systems
- pH (1% Suspension): ~6.5–8.0
- Density: ~1.8 g/cm³
3. Safety & Hazard Attributes
- GHS Classification:
- Harmful if swallowed
- Causes serious eye irritation
- Very toxic to aquatic life with long-lasting effects
- Toxicity: Moderately toxic; not for internal or long-term unregulated exposure
- Exposure Limits: Avoid inhalation of powder; handle with PPE
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place, in tightly sealed containers away from direct sunlight and moisture
- Container Type: Fiber drums or HDPE containers with liners
- Shelf Life: 2 years under proper storage conditions
- Handling Precautions: Avoid dust generation and contact with eyes or skin
5. Regulatory & Compliance Attributes
- Approved by FDA, EU, and other regulatory bodies for limited concentrations in personal care products
- Complies with REACH and TSCA for industrial us
- Subject to maximum concentration limits in cosmetics (typically 0.3% in rinse-off products)
- Not for use in food or pharmaceutical products
- Manufactured under ISO 9001 and ISO 22716 (GMP for cosmetics, when applicable)
- Must meet biocidal product regulations (BPR) in the EU and FIFRA in the U.S.
6. Environmental & Health Impact
- Biodegradability: Slowly biodegradable under environmental conditions
- Ecotoxicity: Highly toxic to aquatic organisms; must not be released into waterway
- Bioaccumulation: Low to moderate potential; environmental monitoring recommended
Safety Handling Precautions
- PPE Required: Gloves, goggles, dust mask or respirator
- Handling Guidelines: Use local exhaust ventilation; avoid formation of airborne dust
- Storage Measures: Keep containers tightly sealed; label clearly
First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if breathing difficulties occur
- Skin Contact: Wash thoroughly with soap and water
- Eye Contact: Rinse cautiously with water for 15 minutes; consult a physician
- Ingestion: Rinse mouth with water; do not induce vomiting; seek medical help
Firefighting Measures
- Fire Hazards: Non-flammable; may release toxic fumes (sulfur oxides, zinc oxides) if heated excessively
- Extinguishing Media: Water spray, dry powder, CO₂
- Hazardous Combustion Products: Sulfur dioxide, zinc oxide fumes
Related products
African Potato Extract
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Ascorbic Acid
Ascorbic Acid, commonly known as Vitamin C, is a water-soluble vitamin and potent antioxidant essential for collagen synthesis, immune function, and protection against oxidative stress. It is widely used as a nutritional supplement, food preservative, and additive to enhance shelf life and nutritional value. Naturally present in citrus fruits and various vegetables, ascorbic acid is also important in pharmaceutical, cosmetic, and animal feed industries due to its health benefits and preservative qualities.
Beta Carotene
Beta Carotene is a concentrated formulation of beta carotene, a naturally occurring red-orange pigment found in plants and fruits. It is a precursor to vitamin A and a potent antioxidant that helps protect cells from oxidative damage. This product, typically suspended in an oil base or suitable carrier, is widely used as a natural colorant, nutritional supplement, and cosmetic ingredient. Beta Carotene 30% SUN offers enhanced stability under sunlight exposure, making it ideal for food, feed, and cosmetic applications where light stability is critical.
Cetrimide Powder
Cetrimide Powder is a high-purity quaternary ammonium compound widely used for its antiseptic, disinfectant, and surfactant properties. It is a cationic surfactant derived from cetyltrimethylammonium bromide and appears as a white to off-white crystalline powder with a slight characteristic odor. Known for its excellent antimicrobial efficacy against bacteria and fungi, cetrimide is frequently incorporated in pharmaceutical, personal care, and industrial formulations. It acts as a bactericidal agent, detergent, and emulsifier, providing effective cleaning and disinfecting action.
L-Glutathione Reduced
L-Glutathione Reduced is a tripeptide composed of glutamine, cysteine, and glycine, present in cells as a vital antioxidant. It appears as a white to off-white crystalline powder and plays a key role in protecting cells from oxidative stress by neutralizing free radicals and reactive oxygen species. Reduced glutathione (GSH) is the active form that participates in cellular detoxification, immune support, and regeneration of other antioxidants. It is widely used in pharmaceutical, cosmetic, and food industries due to its potent antioxidant properties and skin-brightening effects.
Phenoxyethanol
Phenoxyethanol 10 is a glycol ether commonly used as a preservative and antimicrobial agent in cosmetic and pharmaceutical formulations. It is a clear, colorless to pale yellow liquid with a mild floral scent. Phenoxyethanol offers broad-spectrum antibacterial and antifungal properties, making it an effective alternative to parabens in many products. Its stability, low toxicity, and compatibility with various ingredients make it a popular choice in personal care and industrial applications.
Propylparaben (Prop BH)
Prop BH, also known as Propylparaben or Propyl 4-Hydroxybenzoate, is an organic compound belonging to the paraben family of preservatives. It appears as colorless small crystals or a white crystalline powder with a characteristic mild odor and a slightly bitter taste. The compound is practically insoluble in cold water but readily soluble in alcohols, ethers, and other organic solvents. Propylparaben is widely recognized for its broad-spectrum antimicrobial activity, particularly effective against molds, yeasts, and bacteria. Propylparaben is manufactured for use as a preservative in various industrial applications and is not intended for direct human consumption without appropriate certification.
Silk Proteins
Silk Proteins are hydrolyzed proteins derived from natural silk fibers, typically composed of fibroin and sericin. They are water-soluble, bioactive compounds known for their excellent film-forming, moisture-retaining, and conditioning properties. Silk proteins are widely used in cosmetics, personal care products, pharmaceuticals, and textiles due to their biocompatibility, smooth texture, and ability to penetrate and protect surfaces like skin, hair, and fabric.
